// 获取页面高度 小程序导航条的公共函数
const SYSTEM_INFO = uni.getSystemInfoSync();

export const getStatusBarHeight = ()=> SYSTEM_INFO.statusBarHeight || 0;


// 获取标题栏高度
export const getTitleBarHeight = ()=>{
	if(uni.getMenuButtonBoundingClientRect){
		let {top,height} = uni.getMenuButtonBoundingClientRect();
		return height + (top - getStatusBarHeight())*2		
	}else{
		return 40;
	}
}

// 获取导航栏高度
export const  getNavBarHeight = ()=> getStatusBarHeight()+getTitleBarHeight();

// 获取左侧图标距离左侧的距离
export const getLeftIconLeft = ()=> {
	// #ifdef MP-TOUTIAO
		let {leftIcon:{left,width}}  = tt.getCustomButtonBoundingClientRect();
		return left+ parseInt(width);
	// #endif
	
	// #ifndef MP-TOUTIAO
		return 0
	// #endif	
}